TECKNET Self‑Powered Wireless Doorbell, No Battery Required Door Bell

【Will Not Take Up Your Socket Wireless Doorbell Kit】 This unique plug-in doorbell kit is compact and beautiful, with an additional socket available for any other electrical device. Simply plug the doorbell into a wall socket and then plug your appliance into the chime unit as usual. It is the best choice for waterproof wireless doorbells in homes and any other occasions
【Amazing Wireless Doorbell Without Battery】 Abandon traditional house doorbells. This self-powered doorbell does not require batteries. After pressing the button, it will generate electricity by itself and send a stable signal to the receiver. With this self-powered doorbell, you no longer have to worry about frequently replacing batteries
【Ultra 1300FT Range, IP65 Waterproof Design】 Perfect wireless doorbell kit for homes, offices, apartments, schools, villas, warehouses, hotels, factories, hospitals, or others. You can easily select and set your favorite tunes, such as the classic "ding-dong". It has an IP65 d